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数据字典
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数据字典
Encyclopedia
管理学
数据字典
释
data dictionary
数据字典
对数据流程图中数据项、数据结构、数据流、处理逻辑、数据存储和外部实体进行定义和描述的工具。是系统设计阶段数据库设计的重要依据、信息系统分析阶段的重要工具。
理学
数据库运行管理
释
data dictionary
数据字典
有关数据库系统中各种数据的描述信息和控制信息的集合,而不是数据本身。又称描述数据库或元数据库。
Computer
数据库
数据库管理系统及其实现技术
释文
data dictionary, DD
数据字典
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Medical Bamboo Slips from Han Dynasty Tombs in Tianhui,Chengdu
medical bandage
medical biochemistry and molecular biology
Medical Book of Eastern Medicine
medical calcined gypsum
medical cell biology
medical centrifuge
medical certificate of birth
medical chitin nonwoven
medical coating material
Medical coding
medical cold therapy,low temperature,refrigeration device and instruments
medical communication between China and foreign countries
medical communication between China and Japan
medical communication between China and the Korean peninsula
medical contention in Jin and Yuan Dynasties
medical craft
medical cyclotron
medical damage identification
Medical data processing
medical decision-making
medical decontamination for chemical warfare agets
medical defense against chemical weapons
medical dependence
medical detective
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